Neale Ranns | 812ed39 | 2017-10-16 04:20:13 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2017 Cisco and/or its affiliates. |
| 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | * you may not use this file except in compliance with the License. |
| 5 | * You may obtain a copy of the License at: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 9 | * Unless required by applicable law or agreed to in writing, software |
| 10 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | * See the License for the specific language governing permissions and |
| 13 | * limitations under the License. |
| 14 | */ |
| 15 | |
| 16 | #include "vom/route_domain.hpp" |
| 17 | #include "vom/cmd.hpp" |
| 18 | |
| 19 | namespace VOM { |
| 20 | /** |
| 21 | * A DB of al the interfaces, key on the name |
| 22 | */ |
| 23 | singular_db<route::table_id_t, route_domain> route_domain::m_db; |
| 24 | |
| 25 | /** |
| 26 | * Construct a new object matching the desried state |
| 27 | */ |
| 28 | route_domain::route_domain(route::table_id_t id) |
| 29 | : m_hw_v4(true) |
| 30 | , m_hw_v6(true) |
| 31 | , m_table_id(id) |
| 32 | { |
| 33 | } |
| 34 | |
| 35 | route_domain::route_domain(const route_domain& o) |
| 36 | : m_hw_v4(o.m_hw_v4) |
| 37 | , m_hw_v6(o.m_hw_v6) |
| 38 | , m_table_id(o.m_table_id) |
| 39 | { |
| 40 | } |
| 41 | |
| 42 | route::table_id_t |
| 43 | route_domain::table_id() const |
| 44 | { |
| 45 | return (m_table_id); |
| 46 | } |
| 47 | |
| 48 | route_domain::key_t |
| 49 | route_domain::key() const |
| 50 | { |
| 51 | return (table_id()); |
| 52 | } |
| 53 | |
| 54 | void |
| 55 | route_domain::sweep() |
| 56 | { |
| 57 | if (m_hw_v4) { |
| 58 | HW::enqueue(new delete_cmd(m_hw_v4, l3_proto_t::IPV4, m_table_id)); |
| 59 | } |
| 60 | if (m_hw_v6) { |
| 61 | HW::enqueue(new delete_cmd(m_hw_v6, l3_proto_t::IPV6, m_table_id)); |
| 62 | } |
| 63 | HW::write(); |
| 64 | } |
| 65 | |
| 66 | void |
| 67 | route_domain::replay() |
| 68 | { |
| 69 | if (m_hw_v4) { |
| 70 | HW::enqueue(new create_cmd(m_hw_v4, l3_proto_t::IPV4, m_table_id)); |
| 71 | } |
| 72 | if (m_hw_v6) { |
| 73 | HW::enqueue(new create_cmd(m_hw_v6, l3_proto_t::IPV6, m_table_id)); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | route_domain::~route_domain() |
| 78 | { |
| 79 | sweep(); |
| 80 | |
| 81 | // not in the DB anymore. |
| 82 | m_db.release(m_table_id, this); |
| 83 | } |
| 84 | |
| 85 | std::string |
| 86 | route_domain::to_string() const |
| 87 | { |
| 88 | std::ostringstream s; |
| 89 | s << "route-domain:[" |
| 90 | << "table-id:" << m_table_id << " v4:" << m_hw_v4 << " v6:" << m_hw_v6 |
| 91 | << "]"; |
| 92 | |
| 93 | return (s.str()); |
| 94 | } |
| 95 | |
| 96 | std::shared_ptr<route_domain> |
| 97 | route_domain::find(const route_domain& temp) |
| 98 | { |
| 99 | std::shared_ptr<route_domain> rd; |
| 100 | |
| 101 | auto it = m_db.cbegin(); |
| 102 | |
| 103 | while (it != m_db.cend()) { |
| 104 | /* |
| 105 | * The key in the DB is a pair of the interface's name and prefix. |
| 106 | * If the keys match, save the L3-config |
| 107 | */ |
| 108 | auto key = it->first; |
| 109 | |
| 110 | if (temp.table_id() == key) { |
| 111 | rd = it->second.lock(); |
| 112 | break; |
| 113 | } |
| 114 | |
| 115 | ++it; |
| 116 | } |
| 117 | |
| 118 | return (rd); |
| 119 | } |
| 120 | |
| 121 | void |
| 122 | route_domain::update(const route_domain& desired) |
| 123 | { |
| 124 | /* |
| 125 | * create the table if it is not yet created |
| 126 | */ |
| 127 | if (rc_t::OK != m_hw_v4.rc()) { |
| 128 | HW::enqueue(new create_cmd(m_hw_v4, l3_proto_t::IPV4, m_table_id)); |
| 129 | } |
| 130 | if (rc_t::OK != m_hw_v6.rc()) { |
| 131 | HW::enqueue(new create_cmd(m_hw_v6, l3_proto_t::IPV6, m_table_id)); |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | std::shared_ptr<route_domain> |
| 136 | route_domain::get_default() |
| 137 | { |
| 138 | route_domain rd(route::DEFAULT_TABLE); |
| 139 | |
| 140 | return (find_or_add(rd)); |
| 141 | } |
| 142 | |
| 143 | std::shared_ptr<route_domain> |
| 144 | route_domain::find_or_add(const route_domain& temp) |
| 145 | { |
| 146 | return (m_db.find_or_add(temp.m_table_id, temp)); |
| 147 | } |
| 148 | |
| 149 | std::shared_ptr<route_domain> |
| 150 | route_domain::singular() const |
| 151 | { |
| 152 | return find_or_add(*this); |
| 153 | } |
| 154 | |
| 155 | void |
| 156 | route_domain::dump(std::ostream& os) |
| 157 | { |
| 158 | m_db.dump(os); |
| 159 | } |
| 160 | } |
| 161 | /* |
| 162 | * fd.io coding-style-patch-verification: ON |
| 163 | * |
| 164 | * Local Variables: |
| 165 | * eval: (c-set-style "mozilla") |
| 166 | * End: |
| 167 | */ |